Most coal is sedimentary, but anthracite is metamorphosed bituminous coal, a result of mountain building pressures on sedimentary coal.
Most coal is sedimentary, but anthracite is bituminous coal that has undergone metamorphosis to become a metamorphic rock.
Bituminous coal is consided a sedimentary rock. Anthracite coal is bituminous coal that has been metamorphosed by great pressure and heat and is considered a metamorphic rock.
Bituminous coal is sedimentary! Bituminous coal is sedimentary!
Anthracite coal is a type of metamorphic rock. It forms from the transformation of bituminous coal under increased temperature and pressure over time.
Graphite is a metamorphic rock. It is formed from the metamorphism of organic sedimentary rocks, such as coal, under high temperature and pressure.
No. Anthracite coal is a metamorphic rock.
Most coal is sedimentary, but anthracite is bituminous coal that has undergone metamorphosis to become a metamorphic rock.
All types of coal are sedimentary, except anthracite which is metamorphic.
It is a metamorphic rock . Also the coal is sometimes considered a sedimentary rock.
Coal is a sedimentary rock. However, harder forms of coal, because of exposure to elevated temperature and pressure, are metamorphic rock.
Bituminous coal is consided a sedimentary rock. Anthracite coal is bituminous coal that has been metamorphosed by great pressure and heat and is considered a metamorphic rock.
Coal, other than the metamorphic form called anthracite, is an organic sedimentary rock.
Coal is a sedimentary rock. However, harder forms of coal, because of exposure to elevated temperature and pressure, are metamorphic rock.
Anthracite is a metamorphic rock. Anthracite is formed when an organic sedimentary rock - coal - is compressed and heated in the ground.
Bituminous coal is sedimentary! Bituminous coal is sedimentary!
Anthracite coal is a type of metamorphic rock. It forms from the transformation of bituminous coal under increased temperature and pressure over time.
Coal is a type of organic sedimentary rock formed from dead plants.